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Matti Pietola
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Proceedings Papers

Experimental Study on Energy Efficiency of Two-Cylinder Direct Driven Hydraulic System in a Large-Scale Test Bench

Robert Hermansson, Ville Närvänen, Jyrki Kajaste, Olof Calonius, Matti Pietola, Petri Kuosmanen
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A029, October 19–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2021-68797
https://doi.org/10.1115/FPMC2021-68797
View Paper titled, Experimental Study on Energy Efficiency of Two-Cylinder Direct Driven Hydraulic System in a Large-Scale Test Bench
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Topics: Cylinders, Energy efficiency, Hydraulic drive systems
Proceedings Papers

Effects of Oil Contamination Level, Flow Rate and Viscosity on Pressure Drop Development and Dirt Holding Capacity of Hydraulic Filter

Anton Jokinen, Olof Calonius, Matti Pietola, Jagan Gorle
Proc. ASME. FPMC2019, ASME/BATH 2019 Symposium on Fluid Power and Motion Control, V001T01A012, October 7–9, 2019
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2019-1631
https://doi.org/10.1115/FPMC2019-1631
View Paper titled, Effects of Oil Contamination Level, Flow Rate and Viscosity on Pressure Drop Development and Dirt Holding Capacity of Hydraulic Filter
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Topics: Contamination, Filters, Filtration, Flow (Dynamics), Pressure drop, Viscosity
Proceedings Papers

Direct Position Control of Electro-Hydraulic Excavator

Siavash Danaee, Jarmo Nurmi, Tatiana Minav, Jouni Mattila, Matti Pietola
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A049, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8896
https://doi.org/10.1115/FPMC2018-8896
View Paper titled, Direct Position Control of Electro-Hydraulic Excavator
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Topics: Position control, Trenching machinery, Hydraulic drive systems, Hydraulics, Sensors, Cycles, Energy efficiency, Errors, Manufacturing, Simulation
Proceedings Papers

Direct Driven Pump Control of Hydraulic Cylinder for Rapid Vertical Position Control of Heavy Loads: Energy Efficiency Including Effects of Damping and Load Compensation

Heikki Kauranne, Teemu Koitto, Olof Calonius, Tatiana Minav, Matti Pietola
Proc. ASME. FPMC2018, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, V001T01A007, September 12–14, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2018-8812
https://doi.org/10.1115/FPMC2018-8812
View Paper titled, Direct Driven Pump Control of Hydraulic Cylinder for Rapid Vertical Position Control of Heavy Loads: Energy Efficiency Including Effects of Damping and Load Compensation
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Topics: Damping, Energy efficiency, Hydraulic cylinders, Position control, Pumps, Stress, Actuators, Vibration, Circuits, Energy consumption
Proceedings Papers

Improving Efficiency of Micro Excavator With Decentralized Hydraulics

Shuzhong Zhang, Tatiana Minav, Matti Pietola
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A069, October 16–19, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2017-4341
https://doi.org/10.1115/FPMC2017-4341
View Paper titled, Improving Efficiency of Micro Excavator With Decentralized Hydraulics
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Topics: Hydraulics, Trenching machinery, Cycles, Energy consumption, Motors, Pumps, Servomotors, Stress, Actuators, Aerospace industry
Proceedings Papers

Nonsymmetrical Flow Compensation Using Hydraulic Accumulator in Direct Driven Differential Cylinder Application

Alexander Järf, Tatiana Minav, Matti Pietola
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A011, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1516
https://doi.org/10.1115/FPNI2016-1516
View Paper titled, Nonsymmetrical Flow Compensation Using Hydraulic Accumulator in Direct Driven Differential Cylinder Application
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Topics: Cylinders, Flow (Dynamics), Hydraulic accumulators, Pumps, Energy efficiency, Dimensions, Hydraulic cylinders, Hydraulics, Matlab, Pressure
Proceedings Papers

Investigation of Thermal Effects in Direct Driven Hydraulic System for Off-Road Machinery

Niko Karlén, Tatiana Minav, Matti Pietola
Proc. ASME. FPNI2016, 9th FPNI Ph.D. Symposium on Fluid Power, V001T01A008, October 26–28, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2016-1512
https://doi.org/10.1115/FPNI2016-1512
View Paper titled, Investigation of Thermal Effects in Direct Driven Hydraulic System for Off-Road Machinery
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Topics: Hydraulic drive systems, Machinery, Roads, Temperature effects, Temperature, Energy dissipation, Energy efficiency, Fluids, Actuators, Cranes
Proceedings Papers

Replacing a Constant Pressure Valve Controlled System With a Pump Controlled System

Henri Hänninen, Tatiana Minav, Matti Pietola
Proc. ASME. FPMC2016, BATH/ASME 2016 Symposium on Fluid Power and Motion Control, V001T01A039, September 7–9, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2016-1777
https://doi.org/10.1115/FPMC2016-1777
View Paper titled, Replacing a Constant Pressure Valve Controlled System With a Pump Controlled System
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Topics: Pressure, Pumps, Valves, Circuits, Actuators, Displacement, Hydraulic drive systems, Cycles, Design, Dimensions
Proceedings Papers

Direct-Driven Hydraulic Drive Without Conventional Oil Tank

Tatiana A. Minav, Panu Sainio, Matti Pietola
Proc. ASME. FPMC2014, ASME/BATH 2014 Symposium on Fluid Power and Motion Control, V001T01A022, September 10–12, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2014-7834
https://doi.org/10.1115/FPMC2014-7834
View Paper titled, Direct-Driven Hydraulic Drive Without Conventional Oil Tank
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Topics: Hydraulic drive systems, Control equipment, Engines, Motors, Safety, Closed loop systems, Cylinders, Electric motors, Electric propulsion, Feedback
Proceedings Papers

HIL Simulation of Elastomer Supported Machine Bed Dynamics

Tuomas Saarikoski, Matti Pietola
Proc. ASME. FPNI2014, 8th FPNI Ph.D Symposium on Fluid Power, V001T02A011, June 11–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2014-7847
https://doi.org/10.1115/FPNI2014-7847
View Paper titled, HIL Simulation of Elastomer Supported Machine Bed Dynamics
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Topics: Dynamics (Mechanics), Elastomers, Machinery, Simulation, Actuators, Dampers, Delays, Excitation, Hardware, Hydraulic circuits
Proceedings Papers

Experimental Analysis of Heat Losses in Different Types of Hydraulic Accumulators

Jyri Juhala, Jyrki Kajaste, Matti Pietola
Proc. ASME. FPNI2014, 8th FPNI Ph.D Symposium on Fluid Power, V001T03A003, June 11–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2014-7838
https://doi.org/10.1115/FPNI2014-7838
View Paper titled, Experimental Analysis of Heat Losses in Different Types of Hydraulic Accumulators
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Topics: Experimental analysis, Heat losses, Hydraulic accumulators, Secondary cells, Pistons, Diaphragms (Mechanical devices), Diaphragms (Structural), Energy efficiency, Membranes, Adiabatic processes (Thermodynamics)
Proceedings Papers

Position Control of Direct Driven Hydraulic Drive

Carlo Bonato, Tatiana A. Minav, Panu Sainio, Matti Pietola
Proc. ASME. FPNI2014, 8th FPNI Ph.D Symposium on Fluid Power, V001T05A007, June 11–13, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FPNI2014-7823
https://doi.org/10.1115/FPNI2014-7823
View Paper titled, Position Control of Direct Driven Hydraulic Drive
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Topics: Hydraulic drive systems, Position control, Flow (Dynamics), Cycles, Cylinders, Electric motors, Engines, Errors, Feedback, Hydraulic cylinders
Proceedings Papers

Analysis on the Adaptability of Two Different Hydraulic Energy Recovery Circuits on Various Machine Types and Work Cycles

Henri Hänninen, Matti Pietola
Proc. ASME. FPMC2013, ASME/BATH 2013 Symposium on Fluid Power and Motion Control, V001T01A043, October 6–9, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FPMC2013-4470
https://doi.org/10.1115/FPMC2013-4470
View Paper titled, Analysis on the Adaptability of Two Different Hydraulic Energy Recovery Circuits on Various Machine Types and Work Cycles
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Topics: Circuits, Cycles, Energy recovery, Machinery, Flow (Dynamics), Energy efficiency, Engineering simulation, Flow control, Heat recovery, Hydraulic accumulators
Journal Articles

Magnetorheologically Damped Compliant Foot for Legged Robotic Application

Esa Kostamo, Michele Focchi, Emanuele Guglielmino, Jari Kostamo, Claudio Semini, Jonas Buchli, Matti Pietola, Darwin Caldwell
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. February 2014, 136(2): 021003.
Paper No: MD-12-1564
https://doi.org/10.1115/1.4025966
Published Online: November 26, 2013
View Article titled, Magnetorheologically Damped Compliant Foot for Legged Robotic Application
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Topics: Dampers, Damping, Robotics, Stiffness, Springs, Fluids
Proceedings Papers

Hydraulic Accumulator as Energy Storage

Jyri Juhala, Matti Pietola
Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 369-377, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-63780
https://doi.org/10.1115/IMECE2011-63780
View Paper titled, Hydraulic Accumulator as Energy Storage
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Topics: Energy storage, Hydraulic accumulators, Energy efficiency, Heat, Modeling, Pistons, Secondary cells, Energy dissipation, Heat recovery, Heat transfer